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| <h3 class="section">13.1 ANSI-standard macros, <samp><span class="file">stdarg.h</span></samp></h3> |
| |
| <p>In ANSI C, a function has a variable number of arguments when its |
| parameter list ends in an ellipsis (<code>...</code>). The parameter list |
| must also include at least one explicitly named argument; that argument |
| is used to initialize the variable list data structure. |
| |
| <p>ANSI C defines three macros (<code>va_start</code>, <code>va_arg</code>, and |
| <code>va_end</code>) to operate on variable argument lists. <samp><span class="file">stdarg.h</span></samp> |
| also defines a special type to represent variable argument lists: this |
| type is called <code>va_list</code>. |
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| <li><a accesskey="1" href="va_005fstart.html#va_005fstart">va_start</a> |
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